His stint there would ultimately allow Haddadi to play in the Iranian Basketball Super League with Paykan Tehran and Saba Battery.

[citation needed] On January 5, 2024, Haddadi signed with Palayesh Naft Abadan of the Iranian Basketball Super League (IBSL).

[6] In 2003, Haddadi was assigned by Paykan Tehran to play for Al-Nasr from Dubai in the United Arab Emirates for a short period of time.

[14] Haddadi scored a then career-high 10 points, with 8 rebounds and a block in less than 10 minutes to key a 12–0 run in the 4th quarter, sparking the Grizzlies to a come-from-behind victory at the Golden State Warriors on March 30, 2009.

[16] On April 17, 2012, Hamed came off the bench to score 8 points in 12 minutes and give the Grizzlies a boost to lead them to a victory over the rival Minnesota Timberwolves.

[17] On January 30, 2013, Haddadi was traded to the Toronto Raptors along with Rudy Gay as part of a three-way deal that sent José Calderón to the Detroit Pistons and Ed Davis, Tayshaun Prince, Austin Daye, and a second round pick to the Memphis Grizzlies.

On March 9, 2013, Haddadi recorded 6 points, 3 blocks and a career-high 11 rebounds in 28 minutes off the bench, contributing to the Suns 107–105 win over the Houston Rockets.

[citation needed] Despite gaining professional career highs in his short stint with the team, Haddadi was waived by the Suns on June 29, 2013.

[22] In September 2013, Haddadi signed with the Sichuan Blue Whales of the Chinese Basketball Association as the bonus foreign Asian player that's allowed to be on the expansion CBA team.

[citation needed] In September 2015, Haddadi returned to the Sichuan Blue Whales as their bonus foreign Asian player due to them having one of the worst records that season.

[citation needed] After taking a year off from Chinese basketball, Haddadi returned to the CBA once again, this time playing as a starting centre for the Xinjiang Flying Tigers.

[citation needed] Haddadi led team Iran to back-to-back FIBA Asia championships, where they beat Jordan in the semifinals 77–75, and defeated tournament favorite and host China, 70–52.

The Iran Basketball Federation retired Hamed Haddadi's number 15 jersey on 21 February 2025, ahead of a asia cup Qualifying game against India.